Integrating an Enterprise Architecture Using Domain Clustering

Enterprise Architecture (EA) in the context of enterprise
engineering addresses aspects of developing, improving and
integrating organizations. The paper introduces an approach to EA
proposing Integration Concepts (IC) to reconcile changing business
process requirements and information systems. Being process-driven
and supporting integration issues the chosen IC is a Service
Oriented Architecture (SOA). Therefore the contribution aims at
developing a methodology to support service engineering by defining
architectural domains in an EA. The paper shows the need for methods
in the field of domain engineering supporting the design of a SOA.
The main contribution of the paper is an algorithm based modelling
approach and a methodology to support service domain clustering. The
clustering algorithms are using a model considering business
processes, information systems and information system interfaces.
The algorithm adopts network-centric approaches used in the field of
social network analysis to define and/or identify service domain
clusters in complex scenarios. The paper summarizes a case study in
a globally operating company and closes with a conclusion. The paper
is organized by chapters addressing context, objective, approach,
case, results and lessons learned.

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